You will have a Payroll Documents file cabinet created already to hold all payroll PDFs, this file cabinet will be accessible and managed by the Payroll Group.
To add files to the folder in the file cabinet and transfer:
Navigate to Payroll Administration > Payroll Setup > File Cabinet
Open Payroll Documents UK or other folder as agreed
Open the folder you wish to add the file
Click "Add File" and select your file
Once uploaded - right click "download" and then copy the link address
You can then email this link address to transfer the file. If the person is logged in to NetSuite and has access to the group/documents folder then by clicking the link it will download the file